2 # Empire - A multi-player, client/server Internet based war game.
3 # Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 # Ken Stevens, Steve McClure
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 # See files README, COPYING and CREDITS in the root of the source
23 # tree for related information and legal notices. It is expected
24 # that future projects/authors will amend these files as needed.
28 # Make.mk: The real Makefile, included by GNUmakefile
30 # Known contributors to this file:
31 # Markus Armbruster, 2005-2009
34 # This makefile was inspired by `Recursive Make Considered Harmful',
36 # http://miller.emu.id.au/pmiller/books/rmch/
38 # Recursively expanded variables are occasionally useful, but can be
39 # slow and tricky. Do not use them gratuitously. If you don't
40 # understand this, always use `:=' rather than `='.
45 # Delete target on error. Every Makefile should have this.
50 src := $(shell cd $(srcdir) && git ls-files)
52 include $(srcdir)/sources.mk
54 dirs := $(sort $(dir $(src)))
55 csrc := $(filter %.c, $(src))
56 tsrc := $(filter %.t, $(src))
57 man6 := $(filter man/%.6, $(src))
58 builtins := $(filter src/lib/global/%.config, $(src))
60 # Info subjects (automatically generated)
64 topics := $(patsubst %.t,%,$(notdir $(tsrc)))
65 info := $(topics) $(subjects) all TOP
66 subjects.html := $(addprefix info.html/, $(addsuffix .html, $(subjects)))
67 topics.html := $(addprefix info.html/, $(addsuffix .html, $(topics)))
68 scripts := $(srcdir)/src/scripts
69 depcomp := $(SHELL) $(srcdir)/depcomp
70 tarball := $(SHELL) -e $(scripts)/tarball
71 econfig := $(sysconfdir)/empire/econfig
72 schedule := $(sysconfdir)/empire/schedule
73 gamedir := $(localstatedir)/empire
74 builtindir := $(datadir)/empire/builtin
75 einfodir := $(datadir)/empire/info.nr
76 ehtmldir := $(datadir)/empire/info.html
77 client/w32 := arpa/inet.h netdb.h netinet/in.h sys/time.h sys/socket.h \
78 sys/uio.h unistd.h w32io.c w32sockets.c w32types.h
80 # Abbreviate make output
81 # Run make with a V=1 parameter for full output.
82 ifneq ($(origin V),command line)
85 # $(call quiet-command COMMAND,ABBREV) runs COMMAND, but prints only ABBREV.
86 # Recursively expanded so that variables in COMMAND and ABBREV work.
87 ifneq ($V$(findstring s,$(MAKEFLAGS)),)
90 quiet-command = @echo $2 && $1
93 # How to substitute Autoconf output variables
94 # Recursively expanded so that $@ and $< work.
96 -e 's?@configure_input\@?$(notdir $@): Generated from $(notdir $<) by make.?g' \
97 -e 's?@builtindir\@?$(builtindir)?g' \
98 -e 's?@econfig\@?$(econfig)?g' \
99 -e 's?@einfodir\@?$(einfodir)?g' \
100 -e 's?@gamedir\@?$(gamedir)?g' \
101 -e 's/@EMPIREHOST\@/$(EMPIREHOST)/g' \
102 -e 's/@EMPIREPORT\@/$(EMPIREPORT)/g'
105 # See `Cleanliness' below
107 ifeq ($(revctrl),git)
108 mk += $(srcdir)/sources.mk
110 # Generated by Autoconf, not distributed:
111 ac := config.h config.log config.status info.html info.nr lib stamp-h
112 ac += $(basename $(filter %.in, $(src)))
113 ac += $(srcdir)/autom4te.cache $(srcdir)/src/client/autom4te.cache
114 # distributed by dist-source from $(srcdir):
115 acdist := aclocal.m4 config.h.in configure stamp-h.in
116 # distributed by dist-client from $(srcdir):
117 acdistcli := $(addprefix src/client/, aclocal.m4 config.h.in configure)
119 obj := $(csrc:.c=.o) $(filter %.o, $(ac:.c=.o))
123 libs := $(addprefix lib/, libcommon.a libas.a libgen.a libglobal.a)
125 util := $(addprefix src/util/, $(addsuffix $(EXEEXT), empdump empsched fairland files pconfig))
126 client := src/client/empire$(EXEEXT)
127 server := src/server/emp_server$(EXEEXT)
129 tsubj := $(addprefix info/, $(addsuffix .t, $(subjects)))
132 info.nr := $(addprefix info.nr/, $(info))
133 info.html := $(addprefix info.html/, $(addsuffix .html, $(info)))
135 # Conditionally generated files:
136 empth_obj := src/lib/empthread/io.o
138 ifeq ($(empthread),LWP)
139 empth_obj += src/lib/empthread/lwp.o src/lib/empthread/posix.o
140 empth_lib += lib/liblwp.a
142 ifeq ($(empthread),POSIX)
143 empth_obj += src/lib/empthread/pthread.o src/lib/empthread/posix.o
145 ifeq ($(empthread),Windows)
146 empth_obj += src/lib/empthread/ntthread.o
149 ifeq ($(empthread),Windows) # really: W32, regardless of thread package
151 $(client): lib/libw32.a
155 # Each generated file should be in one of the following sets.
157 clean := $(obj) $(deps) $(libs) $(util) $(client) $(server) $(tsubj) \
158 $(ttop) $(info.nr) $(info.html) $(empth_obj) $(empth_lib)
159 # Removed by distclean:
160 distclean := $(ac) $(mk)
161 # Distributed by dist-source from $(srcdir):
162 src_distgen := $(acdist)
163 # Distributed by dist-client from $(srcdir)/src/client; removed by distclean:
164 cli_distgen := $(acdistcli)
167 CPPFLAGS += -I$(srcdir)/include -I.
168 ifeq ($(empthread),Windows) # really: W32, regardless of thread package
169 CPPFLAGS += -I$(srcdir)/src/lib/w32
171 ifeq ($(have_gcc),yes)
172 CFLAGS += -fno-builtin-carg # conflicts with our carg()
173 CFLAGS += -fno-common
174 CFLAGS += -Wall -W -Wno-unused-parameter -Wpointer-arith \
175 -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs \
178 $(client): LDLIBS := $(LIBS_client)
179 $(server): LDLIBS := $(LIBS_server)
184 all: $(util) $(client) $(server) info
192 $(call quiet-command,rm -f $(clean),CLEAN)
196 $(call quiet-command,rm -rf $(distclean) $(cli_distgen),DISTCLEAN)
199 install: all installdirs
200 $(INSTALL_PROGRAM) $(util) $(server) $(sbindir)
201 $(INSTALL_PROGRAM) $(client) $(bindir)
202 $(INSTALL) -m 444 $(addprefix $(srcdir)/, $(builtins)) $(builtindir)
203 $(INSTALL_DATA) $(info.nr) $(einfodir)
204 $(INSTALL_DATA) $(addprefix $(srcdir)/, $(man6)) $(mandir)/man6
205 sed -e '1,/^$$/d' -e 's/^/# /g' <$(srcdir)/doc/schedule >$(schedule).dist
206 echo >>$(schedule).dist
207 echo 'every 10 minutes' >>$(schedule).dist
208 [ -e $(schedule) ] || mv $(schedule).dist $(schedule)
209 if [ -e $(econfig) ]; then \
210 echo "Attempting to update your econfig"; \
211 if src/util/pconfig $(econfig) >$(econfig).dist; then \
212 if cmp -s $(econfig) $(econfig).dist; then \
213 echo "$(econfig) unchanged"; \
214 rm $(econfig).dist; \
217 echo "Your $(econfig) doesn't work"; \
218 src/util/pconfig >$(econfig).dist; \
220 if [ -e $(econfig).dist ]; then \
221 echo "Check out $(econfig).dist"; \
224 src/util/pconfig >$(econfig); \
229 mkdir -p $(sbindir) $(bindir) $(builtindir) $(einfodir) $(mandir)/man6 $(dir $(econfig)) $(gamedir)
234 $(INSTALL_DATA) $(info.html) $(ehtmldir)
238 rm -f $(addprefix $(sbindir)/, $(notdir $(util) $(server)))
239 rm -f $(addprefix $(bindir)/, $(notdir $(client)))
240 rm -rf $(builtindir) $(einfodir)
241 rm -f $(addprefix $(mandir)/man6/, $(notdir $(man6)))
242 @echo "$(dir $(econfig)) and $(gamedir) not removed, you may wish to remove it manually."
245 dist: dist-source dist-client dist-info
250 # Compile with dependencies as side effect, i.e. create %.d in
252 ifeq ($(how_to_dep),fast)
254 $(call quiet-command,$(COMPILE.c) -MT $@ -MMD -MP -MF $(@:.o=.d) \
255 $(OUTPUT_OPTION) $< || { rm -f $(@:.o=.d) $@; false; },CC $@)
256 # Why the rm? If gcc's preprocessor chokes, it leaves an empty
257 # dependency file behind, and doesn't touch the object file. If an
258 # old object file exists, and is newer than the .c file, make will
259 # then consider the object file up-to-date.
261 ifeq ($(how_to_dep),depcomp)
263 $(call quiet-command,source='$<' object='$@' depfile='$(@:.o=.d)' \
264 $(CCDEPMODE) $(depcomp) $(COMPILE.c) $(OUTPUT_OPTION) $<,CC $@)
266 # Cancel the rule to compile %.c straight to %, it interferes with
267 # automatic dependency generation
271 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
275 $(call quiet-command,$(NROFF) $(filter %.MAC, $^) $< | $(AWK) -f $(filter %/Blank.awk, $^) >$@ && test -s $@,NROFF $@)
276 # Pipes in make are a pain. The "test -s" catches obvious errors.
278 info.html/%.html: info/%.t
279 perl $(filter %.pl, $^) $< >$@
286 $(server): $(filter src/server/% src/lib/commands/% src/lib/player/% src/lib/subs/% src/lib/update/%, $(obj)) $(empth_obj) $(empth_lib) $(libs)
287 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
289 $(client): $(filter src/client/%, $(obj)) src/lib/global/version.o
290 $(call quiet-command,$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@,LINK $@)
294 lib/libas.a: $(filter src/lib/as/%, $(obj))
295 lib/libcommon.a: $(filter src/lib/common/%, $(obj))
296 lib/libgen.a: $(filter src/lib/gen/%, $(obj))
297 lib/libglobal.a: $(filter src/lib/global/%, $(obj))
298 lib/liblwp.a: $(filter src/lib/lwp/%, $(obj))
299 lib/libw32.a: $(filter src/lib/w32/%, $(obj))
301 $(libs) $(empth_lib):
302 $(call quiet-command,$(AR) rc $@ $?,AR $@)
307 # FIXME Remaking subjects doesn't work correctly when info sources get
308 # removed or subjects get dropped.
310 subjects.mk: info/findsubj.pl $(tsrc)
311 perl $(srcdir)/info/findsubj.pl $(filter %.t, $^)
313 $(tsubj): info/mksubj.pl
314 perl $(srcdir)/info/mksubj.pl $@ $(filter %.t, $^)
317 perl $(srcdir)/info/mktop.pl $@ $(filter %.t, $^)
319 info.nr/all: $(filter-out info.nr/all, $(info.nr))
321 (cd info.nr && LC_ALL=C ls -C $(info)) >>$@
323 info.html/all.html: info.nr/all info/ls2html.pl
324 expand $< | perl $(srcdir)/info/ls2html.pl >$@
326 $(info.nr): info/CRT.MAC info/INFO.MAC info/Blank.awk
328 $(subjects.html) info.html/TOP.html: info/subj2html.pl
329 $(topics.html): info/emp2html.pl
331 info.ps: info/TROFF.MAC info/INFO.MAC $(ttop) $(tsubj) $(tsrc)
337 dist-source: $(src_distgen)
338 ifeq ($(revctrl),git)
339 echo "src := $(src)" >$(srcdir)/sources.mk
341 $(tarball) $(TARNAME)-$(VERSION) -C $(srcdir) $(src_distgen) $(src) sources.mk
344 dist-client: $(cli_distgen)
345 $(tarball) $(TARNAME)-client-$(VERSION) \
346 -C $(srcdir)/src/client \
347 $(notdir $(filter src/client/%, $(src)) $(cli_distgen)) \
348 -C $(srcdir)/include proto.h version.h \
349 -C $(srcdir)/src/lib/global version.c \
350 -C $(srcdir)/src/lib $(addprefix w32/, $(client/w32)) \
351 -C $(srcdir)/man empire.6 \
352 -C $(srcdir) COPYING INSTALL install-sh
356 $(tarball) $(TARNAME)-info-text-$(VERSION) -C info.nr $(info)
357 $(tarball) $(TARNAME)-info-html-$(VERSION) -C info.html $(addsuffix .html, $(info))
364 # Automatic remake of configuration
365 # See (autoconf)Automatic Remaking.
366 # This requires sufficiently recent versions of autoconf and automake
368 $(srcdir)/configure: configure.ac aclocal.m4
369 cd $(srcdir) && autoconf
371 # autoheader might not change config.h.in, so touch a stamp file.
372 $(srcdir)/config.h.in: stamp-h.in
373 $(srcdir)/stamp-h.in: configure.ac aclocal.m4
374 cd $(srcdir) && autoheader
377 $(srcdir)/aclocal.m4: $(filter m4/%.m4, $(src))
378 cd $(srcdir) && aclocal -I m4
380 # config.status might not change config.h; use the stamp file.
382 stamp-h: config.h.in config.status
383 ./config.status config.h stamp-h
385 GNUmakefile: GNUmakefile.in config.status
388 config.status: configure
389 ./config.status --recheck
391 src/lib/global/path.c src/client/ipglob.c: %: %.in GNUmakefile Make.mk
392 $(call quiet-command,$(subst.in) <$< >$@,GEN $@)
395 # Make files for standalone client distribution
397 $(srcdir)/src/client/configure: src/client/configure.ac src/client/aclocal.m4
398 cd $(dir $@) && autoconf
400 $(srcdir)/src/client/config.h.in: src/client/configure.ac src/client/aclocal.m4
401 cd $(dir $@) && autoheader
404 $(srcdir)/src/client/aclocal.m4: m4/lib_socket_nsl.m4 m4/my_terminfo.m4 m4/my_windows_api.m4